CN208474369U - A kind of spring-loaded brake - Google Patents
A kind of spring-loaded brake Download PDFInfo
- Publication number
- CN208474369U CN208474369U CN201820215435.1U CN201820215435U CN208474369U CN 208474369 U CN208474369 U CN 208474369U CN 201820215435 U CN201820215435 U CN 201820215435U CN 208474369 U CN208474369 U CN 208474369U
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- CN
- China
- Prior art keywords
- spring
- cylinder
- shell
- axle sleeve
- loaded brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of spring-loaded brakes, belong to industrial machinery brake field, including shaft, axle sleeve, cylinder and shell, axle sleeve are set in shaft, and axle sleeve and shell are rotatablely connected by bearing, cylinder placement coaxial with shell；Bushing disk is arranged on axle sleeve, cylinder is fixedly connected with friction plate, and tripping spring is equipped in shell, and tripping spring pushes friction plate and bushing disk to offset and rub to realize braking.The utility model is normally closed brake, separates brake by being filled with air, is realized and is braked by tripping spring.Automatic braking is realized by tripping spring when the prominent chance of industrial machine has a power failure or air pressure is low, guarantees production safety.Overall structure is simple, highly reliable, long service life；Friction plate replaces rapid and convenient；Braking effect is stablized.Existing brake is common to fail to brake in time in industrial processes for brake open in usual in face of burst accident, to influence the life safety that production even jeopardizes producers.
Description
[technical field]
The utility model relates to industrial machinery brake fields, and in particular to a kind of spring-loaded brake.
[background technique]
Industrial machinery brake is that have the function of to make moving component or movable machinery deceleration, stop or keep halted state etc.
Device, be the machine components for making movement parts in machinery stop or slow down.It is commonly called as brake, lock.Brake is mainly by frame processed, system
The composition such as moving part and manipulation device.Some brakes are also equipped with the automatic regulating apparatus in brake component gap.In order to reduce brake force
Square and structure size, brake are commonly mounted on the high speed shaft of equipment, but should then be filled to the higher large scale equipment of security requirement
On the slow-speed shaft close to equipment working portion.
The general work principle of braking system is to utilize fixed non-rotating component and the rotating element being connected with transmission shaft
Between phase mutual friction prevent the trend of rotation or the rotation of rotating element.
Common existing brake is brake open in usual, i.e., often in the state that declutches, need to apply external force can be braked；?
In industrial processes, in face of certain burst accidents being likely to occur, or fail the application for accomplishing external force in time, to influence
Even jeopardize the life safety of producers to the safety of production.
[utility model content]
To solve the above problems, the utility model provides a kind of simple, highly reliable, the with long service life spring of structure
Brake.
Technical solution adopted in the utility model is: a kind of spring-loaded brake, including shaft, axle sleeve, cylinder and shell,
The axle sleeve is set in the shaft, and the axle sleeve and the shell are rotatablely connected by bearing, the cylinder and it is described outside
The coaxial placement of shell；Bushing disk is arranged on the axle sleeve, the cylinder is fixedly connected with friction plate, is equipped in the shell
Tripping spring, the tripping spring push the friction plate and the bushing disk to offset and rub to realize braking.
In the above technical solution, the axle sleeve is fixedly connected with the bushing disk by fixing bolt, the axis
Set follows the coaxial rotation of the shaft progress with the bushing disk；The bearing is located on the bushing disk.
In the above technical solution, the bushing disk is equipped with cooling fin, reduces brake temperature with auxiliary heat dissipation.
In the above technical solution, the axle sleeve is equipped with the keyway of transmitting torque, and the shaft is inlaid with and the key
The corresponding flat key of slot, the keyway are used cooperatively with the flat key, transmit torque by the extruding of flat key and key slot side
It realizes and rotates synchronously.
It in the above technical solution, is further including piston, the piston is flexibly connected with the cylinder, the piston and institute
It states shell to be fixedly connected, the piston and cylinder block junction are equipped with sealing ring, to realize dynamic sealing.
In the above technical solution, the cylinder is additionally provided with flow control valve, and the end of the flow control valve is worn
In cylinder, air-tight cavity is formed between cylinder body and piston to be filled with gas.
It in the above technical solution, is further including fixed frame and pan-headed screw, the fixed frame passes through pan-headed screw and institute
Cylinder block is stated to be fixedly connected；The fixed frame is fixedly connected with the friction plate, the friction plate and the bushing disk phase
It is right, in order to friction catch.
In the above technical solution, the fixed frame is equipped with guiding axis, and the guiding axis is worn in the housing, institute
It states the movement that guiding axis is the friction plate to be oriented to, to improve the stability of braking effect.
In the above technical solution, the tripping spring is located between the shell and the fixed frame, described
Tripping spring pushes the fixed frame when resetting.
In the above technical solution, reset spring, the reset spring two are equipped between the cylinder and the shell
End is fixedly connected with the cylinder and the shell respectively, to reply position after cylinder interior gas is discharged.
The beneficial effects of the utility model are:
1, this kind of spring-loaded brake is normally closed brake, is often in tight lock state, and need to apply external force can release braking,
Air is filled with by cylinder and flow control valve to realize the relieving of brake, and friction plate is resisted by tripping spring
Realize braking.When encountering power failure or the low situation of air pressure, can be realized by the resilience performance of tripping spring itself automatic
Braking ensure that industrial safe and reliable.
2, this kind of spring-loaded brake overall structure be simple, highly reliable, long service life；Bushing disk and axle sleeve pass through solid
Determine bolt to be fixedly connected, structure is simply capable of the bushing disk of quick-replaceable abrasion；The cooling fin that bushing disk is equipped with can be with
For auxiliary heat dissipation, effectively the heat generated during drag friction is diffused in environment in time, reduces brake temperature
Degree is to prolong its service life.
3, the friction plate of this kind of spring-loaded brake is half-divided, can be in the state remained mounted on mechanical equipment
It is lower directly to replace friction plate, replacement process rapid and convenient；It is equipped with guiding axis between fixed frame and shell, can guarantee tripping spring
Be able to maintain when pushing fixed frame and friction plate thereon it is parallel with bushing disk opposite, to improve the stability of braking effect.
[Detailed description of the invention]
Fig. 1 is a kind of opening state structural schematic diagram of spring-loaded brake；
Fig. 2 is a kind of on-position structural schematic diagram of spring-loaded brake；
Fig. 3 is that shaft and axle sleeve are used cooperatively schematic diagram；
Appended drawing reference are as follows:
1, shaft；11, flat key；
2, axle sleeve；21, bearing；22, bushing disk；23, fixing bolt；24, cooling fin；25, keyway；
3, cylinder；31, friction plate；32, piston；33, sealing ring；34, flow control valve；35, fixed frame；36, coiled hair spiral shell
Silk；37, guiding axis；
4, shell；41, tripping spring；42, reset spring.
[specific embodiment]
In order to further illustrate the above-mentioned purpose, technical solution and effect of the utility model, combine by the following examples
Attached drawing and related well known technological know-how illustrate the utility model:
As shown in Figure 1-3, a kind of spring-loaded brake, including shaft 1, axle sleeve 2, cylinder 3 and shell 4；Axle sleeve 2, which is set in, to be turned
On axis 1, shaft 1 interlocks axle sleeve 2 and rotates；Axle sleeve 2 is rotatablely connected with shell 4 by bearing 21, the placement coaxial with shell 4 of cylinder 3；
Axle sleeve 2 is arranged with bushing disk 22, and cylinder 3 is fixedly connected with friction plate 31, and tripping spring 41 is equipped in shell 4, brakes bullet
Spring 41 brakes friction plate 31 tight against on bushing disk 22 to realize.
The axle sleeve 2 is fixedly connected with bushing disk 22 by fixing bolt 23, and axle sleeve 2 and bushing disk 22 follow shaft
1 carries out coaxial rotation；Bearing 21 is set on bushing disk 22.Bushing disk 22 is equipped with cooling fin 24, is dropped with auxiliary heat dissipation
Low brake temperature.Axle sleeve 2 is equipped with the keyway 25 of transmitting torque, and shaft 1 is inlaid with flat key 11 corresponding with keyway 25, keyway
25 are used cooperatively with flat key 11, and torque is transmitted by the extruding of flat key 11 and 25 side of keyway and realizes synchronous rotation.
This kind of spring-loaded brake further includes piston 32, flow control valve 34, fixed frame 35 and pan-headed screw 36, piston 32 with
Cylinder 3 is flexibly connected, and piston 32 is fixedly connected with shell 4, and piston 32 and 3 cylinder body junction of cylinder are equipped with sealing ring 33, with reality
Existing dynamic sealing.The end of flow control valve 34 is threaded through in cylinder 3, forms gas to be filled with gas between cylinder body and piston 32
Close chamber.Fixed frame 35 is fixedly connected by pan-headed screw 36 with 3 cylinder body of cylinder；Fixed frame 35 and friction plate 31 pass through countersink head screw
It is fixedly connected, friction plate 31 and bushing disk 22 are opposite, in order to friction catch.Fixed frame 35 is equipped with guiding axis 37, guiding axis
37 are threaded through in shell 4.Guiding axis 37 is that the movement of friction plate 31 is oriented to, to improve the stability of braking effect.
The tripping spring 41 is located between shell 4 and fixed frame 35, to push fixed frame when tripping spring 41 resets
35.Reset spring 42 is equipped between cylinder 3 and shell 4,42 both ends of reset spring are fixedly connected with cylinder 3 and shell 4 respectively, with
Position is replied after gas in discharge cylinder 3.
Before using the utility model, need first to assemble spring-loaded brake, assemble method is as described below.Flat key
In 11 insertion shafts 1, the keyway 25 on axle sleeve 2 is aligned after flat key 11, axle sleeve 2 is tightly set in shaft 1, set on axle sleeve 2
There is joint-cutting, 2 diameter of axle sleeve is less than 1 diameter of shaft, can more securely be set in shaft 1.By the hole of bushing disk 22
Position is locked after being aligned with the hole location on axle sleeve 2 with fixing bolt 23, covers upper bearing (metal) 21 in the corresponding position of bushing disk 22,
And 21 inner ring of bearing is fixed.32 back side of piston is fixed on shell 4 with countersink head screw, piston 32 is contacted with cylinder 3
Face is embedded in the sealing ring 33 of appropriate size, which can be O-shaped pad.32 front of piston is inserted in 3 cylinder body of cylinder,
Corresponding seal chamber is formed by sealing ring 33, flow control valve 34 is inserted into cylinder 3, and end is passed through in seal chamber by blowing
Enter or gas bleeding control cylinder 3 acts.Pan-headed screw 36 is inserted into cylinder 3 and the corresponding jack of shell 4, pan-headed screw
36 pass through shell 4 is fixedly connected with fixed frame 35, and pan-headed screw 36 can move freely in the jack of shell 4.Cylinder 3 carries out
Fixed frame 35 is driven to synchronize movement by pan-headed screw 36 when mobile.Friction plate 31 by countersink head screw and fixed frame 35 into
Row is fixedly connected, and friction plate 31 is half-divided, can directly be replaced and be rubbed in the state of remaining mounted on mechanical equipment
Wiping board 31, without splitting out shell 4 and cylinder 3.Shaft 1 and the axle sleeve being fixed thereon 2 and bushing disk 22 are inserted into again
In shell 4,21 outer ring of bearing on bushing disk 22, which is inlayed, to be fixed in shell 4.The bearing 21 is ball bearing, and shaft 1 is revolved
The synchronous rotary in shell 4 of bushing disk 22 can be driven when turning.It is corresponding that shell 4 is finally integrally attached to machine with fixed screw
Mounting surface on, can be completed installation go forward side by side enforcement use.
As shown in Figure 1, first opening flow control valve 34 before shaft 1 is started to work and being put into air, air-tight cavity expands air pressure liter
Height, because piston 32 and shell 4 are fixed on the mounting surface of machine, 3 cylinder body of cylinder is displaced outwardly.Under the gearing of pan-headed screw 36
The fixed frame 35 and friction plate 31 being originally tightly attached on bushing disk 22 are detached from bushing disk 22.41 both ends of tripping spring respectively with
Shell 4 and fixed frame 35 are fixedly connected, and tripping spring 41 is fixed frame 35 towards 4 internal compression of shell at this time；42 liang of reset spring
End is fixedly connected with shell 4 and cylinder 3 respectively, and reset spring 42 is by cylinder 3 towards the outer side stretching of shell 4 at this time.When being filled with gas
When reaching a certain amount of, flow control valve 34 stops working, and starts shaft 1, and shaft 1 can be rotated freely in 4 interior bone of shell
It works.
As shown in Fig. 2, start flow control valve 34 when the needs of shaft 1 stop operating or slowed down, it will be in seal chamber
Gas extraction, sealing cavity space become smaller air pressure reduction；The rebound of tripping spring 41 pushes fixed frame 35 and friction plate 31 to bushing circle
Disk 22 is close, and reset spring 42, which is shunk, pulls cylinder 3 close to piston 32.Fixed frame 35 is protected always under the action of guiding axis 37
It is opposite with two end faces of bushing disk 22 to hold friction plate 31.Friction plate 31 and 22 severe friction of bushing disk are made with playing braking
With.The amount of heat generated in friction process is diffused by the cooling fin 24 on bushing disk 22, is carried out timely to it
Cooling, protects the service life of brake.
Above embodiment only indicates that rather than limits the utility model, therefore all according to the utility model patent application
The equivalent change or modification that method described in range is done, is included in the scope of the utility model patent application.
Claims (10)
1. a kind of spring-loaded brake, including shaft (1), axle sleeve (2), cylinder (3) and shell (4), the axle sleeve (2) are set in institute
State on shaft (1), the axle sleeve (2) and the shell (4) are rotatablely connected by bearing (21), the cylinder (3) and it is described outside
Shell (4) coaxial placement；It is characterized by: the axle sleeve (2) is arranged with bushing disk (22), the cylinder (3) is fixedly connected with
Friction plate (31), the shell (4) is interior to be equipped with tripping spring (41), and the tripping spring (41) pushes the friction plate (31)
It offsets and rubs with the bushing disk (22) to realize braking.
2. a kind of spring-loaded brake according to claim 1, it is characterised in that: the axle sleeve (2) and the bushing disk
(22) it is fixedly connected by fixing bolt (23), the bearing (21) is set on the bushing disk (22).
3. a kind of spring-loaded brake according to claim 2, it is characterised in that: the bushing disk (22) is equipped with heat dissipation
Piece (24), with auxiliary heat dissipation.
4. a kind of spring-loaded brake according to claim 1 or 2 or 3, it is characterised in that: the axle sleeve (2) is equipped with transmitting
The keyway (25) of torque, the shaft (1) are inlaid with flat key (11) corresponding with the keyway (25).
5. a kind of spring-loaded brake according to claim 1, it is characterised in that: further include piston (32), piston (32) with
The cylinder (3) is flexibly connected, and the piston (32) is fixedly connected with the shell (4), the piston (32) and cylinder (3) cylinder
Body junction is equipped with sealing ring (33), to realize dynamic sealing.
6. a kind of spring-loaded brake according to claim 5, it is characterised in that: the cylinder (3) is additionally provided with flow control
Valve (34), the end of the flow control valve (34) is threaded through in cylinder (3), to be filled with gas between cylinder body and piston (32)
Form air-tight cavity.
7. a kind of spring-loaded brake according to claim 1, it is characterised in that: further include fixed frame (35) and pan-headed screw
(36), the fixed frame (35) is fixedly connected by pan-headed screw (36) with the cylinder (3) cylinder body；The fixed frame (35) with
The friction plate (31) is fixedly connected, the friction plate (31) and the bushing disk (22) relatively, in order to friction catch.
8. a kind of spring-loaded brake according to claim 7, it is characterised in that: the fixed frame (35) is equipped with guiding axis
(37), the guiding axis (37) is threaded through in the shell (4).
9. a kind of spring-loaded brake according to claim 7 or 8, it is characterised in that: the tripping spring (41) is located at institute
It states between shell (4) and the fixed frame (35), to push the fixed frame (35) when the tripping spring (41) reset.
10. a kind of spring-loaded brake according to claim 1, it is characterised in that: the cylinder (3) and the shell (4)
Between be equipped with reset spring (42), reset spring (42) both ends are fixed with the cylinder (3) and the shell (4) respectively
Connection, to reply position after cylinder (3) interior gas is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215435.1U CN208474369U (en) | 2018-02-07 | 2018-02-07 | A kind of spring-loaded brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215435.1U CN208474369U (en) | 2018-02-07 | 2018-02-07 | A kind of spring-loaded brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474369U true CN208474369U (en) | 2019-02-05 |
Family
ID=65205599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820215435.1U Expired - Fee Related CN208474369U (en) | 2018-02-07 | 2018-02-07 | A kind of spring-loaded brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474369U (en) |
-
2018
- 2018-02-07 CN CN201820215435.1U patent/CN208474369U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20210207 |